John McCain is said to be looking at former Democratic vice-presidential nominee-turned-McCain supporter Joe Lieberman as a possible running mate this fall.

The Financial Times, citing an unnamed adviser to the presumptive Republican presidential nominee, said McCain was considering the now-independent senator from Connecticut because of their shared positions on Iraq, Israel and other issues.

McCain “loves Lieberman. And he is on the [short]list because Lieberman has never embarrassed anyone, never misspoken. The first rule is, don’t take someone who costs you votes,” the adviser said.

The adviser acknowledged that it would be an unorthodox choice – considering that Lieberman still caucuses with the Democratic majority in the Senate – and would probably meet with great resistance from elements of the GOP.

“Conservatives would be p—ed as hell – I think you would have a revolt, but sometimes John does what John wants to do,” the adviser said.

Lieberman’s office declined to comment but has dismissed the possibility in the past.